import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '@/components/Home'
import welcome from '@/components/welcome'
import Users from '@/components/user/Users'
import Rights from '@/components/power/Rights'
import Roles from '@/components/power/Roles'
import Cate from '@/components/goods/Cate'
import Params from '@/components/goods/Params'
import List from '@/components/goods/List'
import Add from '@/components/goods/Add'
import Order from '@/components/order/Order'
import Report from '@/components/report/Report'

Vue.use(VueRouter)

const router = new VueRouter({
  routes: [
    { path: '/', redirect: '/login' },
    { path: '/login', component: Login },
    {
      path: '/home',
      component: Home,
      redirect: '/welcome',
      children: [{ path: '/welcome', component: welcome },
        { path: '/users', component: Users },
        { path: '/rights', component: Rights },
        { path: '/roles', component: Roles },
        { path: '/categories', component: Cate },
        { path: '/params', component: Params },
        { path: '/goods', component: List },
        { path: '/goods/add', component: Add },
        { path: '/orders', component: Order },
        { path: '/reports', component: Report }
      ]
    }
  ]
})

// 挂在路由导航首位
router.beforeEach((to, from, next) => {
  // to将要访问的函数
  // from代表从哪个路径来
  // next表示放行
  // next（'/login'）强制跳转
  if (to.path === '/login') return next()
  const stokenStr = window.sessionStorage.getItem('token')
  if (!stokenStr) return next('/login')
  next()
})

export default router
